Trend Micro PC-cillin Internet Security 12 protects your PC and home network against all types of viruses, worms, Trojans, and blended threats—including network viruses, like MYDOOM and SASSER. It also blocks hackers, detects and removes spyware, guards against phishing attacks, filters unwanted content, and minimizes spam. New features include Home Network Control and Wi-Fi Intrusion Detection - extending desktop security to your home and wireless networks.